Finding the Fourth Proportional to 3,670,173.80, 5,489,708.70 and 3,293,815.40
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Solution
The fourth proportional to 3,670,173.80, 5,489,708.70 and 3,293,815.40 is: 4,926,765.88
Step by Step Solution
- Step 1: Write the proportion equation
3,670,173.80 : 5,489,708.70 = 3,293,815.40 : x - Step 2: Convert to fraction form
3,670,173.80/5,489,708.70 = 3,293,815.40/x - Step 3: Cross multiply
3,670,173.80x = 5,489,708.70 × 3,293,815.40 - Step 4: Simplify right side
3,670,173.80x = 18,082,087,057,573.98 - Step 5: Solve for x
x = 18,082,087,057,573.98/3,670,173.80 - Step 6: Final answer
x = 4,926,765.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.